Tags give the ability to mark specific points in history as being important
Debian release 237-3ubuntu10.1
tagging package systemd version debian/237-3ubuntu10.10
tagging package systemd version debian/237-3ubuntu10.9
tagging package systemd version debian/237-3ubuntu10.6
systemd Debian release 236-2~bpo9+1
systemd Debian release 236-3~bpo9+1
systemd Debian release 237-3~bpo9+1
tagging package systemd version debian/237-3ubuntu10.3
systemd Debian release 215-17+steamos2+deb8u7
releasing package systemd version 237-3ubuntu10.2